Perianal Solitary Fibrous Tumor in a Rare Anatomical Presentation: A Case Report and Literature Review

19 May 2021 : Case report Greece

Challenging differential diagnosis, Rare disease

Daniel Paramythiotis^1AG, Moysis Moysidis

^2ABCDEFG*, Lazaros Kourtidis^1BDEFG, Anestis Karakatsanis^1DG, Christos Poulios^3CDEG, Antonios Michalopoulos^1AG

DOI: 10.12659/AJCR.929742

Am J Case Rep 2021; 22:e929742

Background Case Report Discussion Conclusions References:

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Table 2. Risk Stratification Model proposed by Demicco et al. [19].

Risk factor	Score
Risk factor	0	1	2	3
Age	<55	≥55
Tumor size (cm)	<5	5–<10	10–<15	≥15
Mitotic count (/10 high-power fields)	0	1–3	≥4
Tumor necrosis	<10%	≥10%

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